Ace the Programming Interview by Edward Guiness

Author:Edward Guiness
Language: eng
Format: epub, mobi, pdf
Publisher: John Wiley & Sons
Published: 2013-05-28T16:00:00+00:00

QUESTIONS

This chapter discussed the kinds of situations you might face when fixing a bug. The following questions test your knowledge:

1. Lock ordering Explain the importance of obtaining locks in a fixed order; that is, why is lock ordering important?

2. Locking on “this” Explain why it might be considered bad practice to lock on a reference to the current instance of a class as per the following C# code:

lock (this) { this.Name = “foo”; this.Update(); // etc... }

3. Locking on a string Explain why it might be considered bad practice to lock on a string as per the following C# code:

lock (”my lock”) { this.Name = “foo”; this.Update(); // etc... }

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